Hi, if the motor produces back EMF (i.e. no electronics in it, just brushes) then I think you will be very concerned. At 09.33 2011.10.21, you wrote: >Hello everyone, > >I have a sub-project where I continuously monitor LDR output and >drive a mini motor according to the algorithm. Motor I drive is >manufactured by NIHON MINI MOTOR CO LTD and is perfectly driven by RB0 >and RB1 digital outputs (no other components, directly PIC-to-Motor). >My concern is ; If I power the LDR from let's say RB4 port, how will >this effect the stability of the system ? I am not in a position to >dedicate a power supply for LDR thus I am seeking practically >effective workarounds. > >Have a nice day. >--=20 >http://www.piclist.com PIC/SX FAQ & list archive >View/change your membership options at >http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .